CARTIER - a diamond and sapphire three-stone ring. The

CARTIER - a diamond and sapphire three-stone ring. The brilliant-cut diamond and circular-shape sapphire sides, inset to the tapered band. Signed and numbered Cartier, 79GP020. Estimated diamond weigh

A diamond and sapphire three stone ring centred with a mixed oval-cut sapphire, measuring approximately 9 x 6 mm, flanked with two round brilliant-cut diamonds of approximately 0.40 carats combined, t

Three 9ct gold diamond and gem-set rings. To include a diamond chevron ring, a diamond and sapphire three-stone ring, with a tanzanite and diamond cluster ring. Estimated total diamond weight 0.60ct.

FINE EDWARDIAN 14KT. YELLOW/WHITE GOLD DIAMOND/NATURAL SAPPHIRE THREE STONE RING APPROX. 1/2 CT. SAPPHIRE, C. 1900 WEIGHT 3.8 GR. size 7

14K SAPPHIRE & DIAMOND THREE STONE RING set with a center diamond approx. 0.25 carats (in our opinion: E-F color, VS1 clarity, however not guaranteed), flanked by 2 round sapphires approx. 0.50 carats

on 15 ct expandible strap, the case 2.5 cm dia. 25.5 g gross

4.14ct Cushion Blue Certified Sapphire Diamond Three-Stone Engagement Ring

PINK SAPPHIRE AND DIAMOND THREE STONE RING The cushion-shaped sapphire, weighing 5.12 carats, between trilliant-cut diamond shoulders, ring size M Footnotes: Accompanied by a report from The Gem & Pea

A Burmese sapphire and diamond three-stone ring. The oval-shape Burmese sapphire, weighing 3.52cts, with circular-cut diamond sides, to the brilliant-cut diamond shoulders. Accompanied by report numbe

A sapphire and diamond three-stone ring claw-set with an oval-cut sapphire and two round brilliant-cut diamonds, the plain band stamped PLAT; with accompanying report by Gemmological Certification Ser

A SAPPHIRE AND DIAMOND THREE STONE RING in yellow gold, set with a cushion cut blue sapphire of 3.02 carats, between two old cut diamonds, accented by rose cut diamonds, the diamonds all totalling 1.7

A SAPPHIRE AND DIAMOND THREE STONE RING in 18ct white gold, set with an oval cut sapphire of 2.52 carats between two cushion cut diamonds both totalling 2.0-2.1 carats, stamped 18ct, size O / 7, 4.6g.

AN 18 CARAT WHITE GOLD SAPPHIRE AND DIAMOND THREE STONE RING a round-cut sapphire between round brilliant-cut diamonds. Estimated total diamond weight 0.65ct, ring size M, 4.9 grams Good condition. T

A SUPERB 18CT GOLD, SAPPHIRE AND DIAMOND THREE STONE RING.

A SAPPHIRE AND DIAMOND THREE STONE RING, a round-cut sapphire between round brilliant-cut diamonds. Estimated total diamond weight 0.65ct, ring size M1/2, 3.3 grams Accompanied by a Gemological Report

A SAPPHIRE AND DIAMOND THREE STONE RING, a round-cut sapphire between round brilliant-cut diamonds. Estimated total diamond weight 0.60ct, ring size O1/2, 5.0 grams

SAPPHIRE AND DIAMOND THREE-STONE RING The octagonal-cut sapphire between cushion-shaped diamonds, ring size approx. K For further information on this lot please visit Bonhams.com

A SAPPHIRE AND DIAMOND THREE-STONE RING, Millegrained collet settings, yellow gold shank, Oval sapphire, 2.25 carats, Circular-cut diamonds, approximate total 0.65 carats, Stamped 18CT PLAT, Size O /

A SAPPHIRE AND DIAMOND THREE STONE RING set with a cushion cut sapphire of 1.60 carats between two round brilliant cut diamonds both totalling 0.4-0.5 carats, no assay marks, size K / 5, 2.8g.

SAPPHIRE AND DIAMOND THREE STONE RING The cushion-cut sapphire between two old brilliant-cut diamonds, diamonds approx. 0.95cts total, ring size approx. N For further information on this lot please vi

SAPPHIRE AND DIAMOND THREE-STONE RING The oval-cut sapphire between two cushion-shaped diamonds, diamonds approx. 0.60ct total, ring size approx. N

A sapphire and diamond three-stone ring. The rectangular-shape yellow sapphire, with brilliant-cut diamond sides. Estimated total diamond weight 0.35ct, tinted colour, SI2-P2 clarity. Ring size N1/2.

A SAPPHIRE AND DIAMOND THREE STONE RING in 18ct yellow gold and platinum, set with a square step cut blue sapphire between two round cut diamonds, stamped Plat 18ct, size N / 6.5, 2.1g.

A SAPPHIRE AND DIAMOND THREE-STONE RING The polished band, gypsy-set with a cushion-shaped sapphire, between old brilliant-cut diamonds, diamonds approx. 0.40 carat total, ring size G 1/2.  Gross w